fix missing cossgb
fix missing cossgb

lpsinger/astropy,astropy/astropy,StuartLittlefair/astropy,MSeifert04/astropy,saimn/astropy,saimn/astropy,bsipocz/astropy,astropy/astropy,DougBurke/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,dhomeier/astropy,funbaker/astropy,DougBurke/astropy,aleksandr-bakanov/astropy,pllim/astropy,stargaser/astropy,larrybradley/astropy,bsipocz/astropy,bsipocz/astropy,AustereCuriosity/astropy,mhvk/astropy,saimn/astropy,StuartLittlefair/astropy,MSeifert04/astropy,MSeifert04/astropy,astropy/astropy,mhvk/astropy,StuartLittlefair/astropy,AustereCuriosity/astropy,mhvk/astropy,funbaker/astropy,dhomeier/astropy,lpsinger/astropy,DougBurke/astropy,aleksandr-bakanov/astropy,AustereCuriosity/astropy,stargaser/astropy,lpsinger/astropy,larrybradley/astropy,dhomeier/astropy,dhomeier/astropy,saimn/astropy,MSeifert04/astropy,lpsinger/astropy,larrybradley/astropy,AustereCuriosity/astropy,larrybradley/astropy,larrybradley/astropy,astropy/astropy,AustereCuriosity/astropy,funbaker/astropy,funbaker/astropy,astropy/astropy,stargaser/astropy,DougBurke/astropy,bsipocz/astropy,lpsinger/astropy,saimn/astropy,dhomeier/astropy,pllim/astropy,mhvk/astropy,mhvk/astropy,pllim/astropy,pllim/astropy,pllim/astropy,aleksandr-bakanov/astropy,stargaser/astropy